JASC 7714
Service difficulty reports · 1,357
Reports filed under 7714 · Engine RPM Indicating System, newest first.
Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE jasc_code = '7714' ORDER BY difficulty_date DESC"
Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE jasc_code = '7714' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR HEEA073029Indicator · inoperativeROTOR NEEDLE INOPERATIVE.SDR RAIA00105001Transducer · failedEWR-DURING TAKEOFF RIGHT HAND IEC FAULT LIGHT LIGHT ILLUMINATED. MAINTENANCE REMOVED AND REPLACED THE RIGHT HAND ENGINE SPEED TRANSDUCER IAW ALLIED SIGNAL MAINTENANCE MANUAL 77-10-10.SDR 20010605CW016Tachometer · out of toleranceNEW TACHOMETERS OUT OF MFG 50 RPM TOLERANCES. DIGITAL CHECKS OF FINE ADDITIONAL 172R AND 172S AIRCRAFT SHOWED TACH TO READ WITHIN PLUS OR MINUS 50 RPM. DISCOVERED WHEN DOING AD.SDR KBMA88735Indicator · erraticNC GAGE ERRATIC AND INTERMITTENT. REMOVED AND REPLACED WITH LOANER UNIT WHILE GAUGE IS BEING REPAIRED.SDR TI1R97330Tachometer · inoperativeNR 2 NEEDLE INOPERATIVE.SDR TI1R001450Light · inoperativeRPM INDICATOR, BACK LIGHTS INOPERATIVE. REMOVED AND REPLACED.SDR HEEA072696Horn · intermittentWORKS INTERMITTENTLY. REPLACED WITH SERVICEABLE UNIT.SDR LS1R072737Indicator · intermittentPART IS INTERMITTENT.SDR LS1R072735Tach Generator · inoperativePART IS BROKEN.SDR SWIA972530Indicator · defectiveNL GAUGE RIGHT ENGINE APPROACHED RED ARC DURING CLIMBOUT. TORQUE WAS REDUCED. NH AND ALL OTHER INDICATIONS REMAINED NORMAL (T6 APPROX 690-700, NH APPROX 95 PERCENT). AFTER ENGINE SHUTDOWN, GAUGE MOMENTARILY STUCK AT 10 PERCENT NL. DURING FLIGHT, NL RIGHT SSDR R7MR33321Pickup · inoperativeNGP SPEED ELECRTOMAGNETIC SPEED PICKUP, UNIT INOPERATIVE. N1 INDICATOR ERRATIC. CHECK ENGINE LIGHT STAYS ON. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR CA010507012Drive Shaft · worn(CAN) AN OIL LEK LOCATED ON DAILY INSPECTION REVEALED A LEAK AT THE TACHOMETER DRIVE SEAL AREA. UPON CLOSER INSPECTION IT WAS NOTED THAT THE SHAFT HAD A WEAR GROOVE AROUND THE RADIUS OF THE TACHOMETER DRIVE SHAFT. IT WAS REPLACED AND NO OIL LEAKS FOUND AFTER. SDR HEEA072552Indicator · stuckTURBINE NEEDLE STAYING AT ZERO AT TIMES AND VERY UNRELIABLE.SDR HEEA072551Indicator · split2 PERCENT SPLIT IN NEEDLE INDICATION.SDR HEEA072550Indicator · malfunctionedDUAL TACH HAS NO LIGHT.SDR HEEA072457Indicator · inoperativeNR 1 NEEDLE INOPERATIVE.SDR HEEA072456Indicator · reads lowNR 1 ENGINE READING LOW.SDR LS1R072189Tachometer · inaccurateTACHOMETER IS INACCURATE.SDR HEEA072438Indicator · inoperativeNR 1 TACH NEEDLE STOPPED ALL INDICATING.SDR HEEA072437Indicator · stuckN2 NEEDLES STICK WHEN POWER IS CHANGED.SDR HEEA072436Indicator · reads lowINDICATES 2 PERCENT LOW. SENT TO MASCO FOR WARRANTY REPAIR.SDR HEEA072408Detector · malfunctionedRPM WARNING LIGHT FLICKERS ON AND OFF AROUND 75 PERCENT N2.SDR HEEA072400Indicator · erraticBOUNCES ERRATICALLY.SDR RRXA010031Indicator · faultyNR 4 ENGINE DURING SPOOL UP, N1 RPM INDICATOR HANGS UP BETWEEN 50 TO 70 PERCENT. REMOVED AND REPLACED NR 4 N1 INDICATOR IAW DC-8 MM CH 77-00. OPS CHECKS GOOD ON ENGINE RUN-UP.SDR HEEA071992Indicator · inoperativeNR 1 NEEDLE ON TRIPLE TACH INOPERATIVE.SDR GLBA2001064Sensor · inoperativeABORTED T/O, RIGHT NH INDICATOR FAILED. REPLACED NH SENSOR, OPS CHECKED SYSTEM GOOD.SDR GLBA2001065Indicator · failedN1 INDICATOR FAILED. REPLACED INDICATOR.SDR AU010167Tach Generator · faulty(AUS) TACHO-GENERATOR ZERO OUTPUT. INVESTIGATION ALSO FOUND BROKENWIRE STRANDS AT THE ENGINE WIRING DISCONNECT SPLICE.SDR ANCF0329351Line · disconnectedDURING CRUISE LT ENGINE N2 STARTED TO DECREASE UNTIL REACHING 36 PERCENT (OSCILLATING BETWEEN 32 AND 40 PERCENT), THERE IS MORE THAN ONE KNOB SPLIT BETWEEN ENGINES TO KEEP SAME EPR. FLIGHT DIVERTED TO PTY. MOISTURE TRAP WAS CHECK FOR CONDITION AND BURNER PRESDR 20010416CW008Tach Generator · inoperativeBROKEN WIRE WHERE CONNECTOR PLUG CONNECTS.SDR AU010156Sensor · faulty(AUS) ENGINE OVERSPEED SENSOR FAULTY.SDR TI1R001402Indicator · erraticTRIPLE TACH - NR 1 NEEDLE BOUNCES BETWEEN 30 AND 60 PERCENT AT ENGINE IDLE- ROTOR NEEDLE GIVING WRONG INDICATION. REMOVED AND REPLACED.SDR 20010205CW006Tachometer · malfunctionedLEFT ENGINE TACH NEEDLE WOULD NOT PROCEED BEYOND 2300 RPM WHEN ENGINE WAS ACTUALLY AT 2700 RPM.SDR KBMA88637Control Box · malfunctionedTACH BOX CLOSES BLEED VALVE AT 96% AND OPENS AT 95%SDR 20010305CW012Adapter · failed90 DEGREE TACH DRIVE ADAPTER PUT ON AIRCRAFT. WHEN ADAPTER FAILS, THERE IS NO RPM INDICATION TO TACH. PROBLEM, APPARENTLY VIBRATION INDUCED. SOME PROVISIONS SHOULD BE MADE TO REINFORCE UNIT , OR RELOCATE IT TO AN AREA NOT AS PRONE TO VIBRATIONS.SDR 20010305CW013Adapter · failed90 DEGREE TACH ADAPTER PUT ON AIRCRAFT. WHEN ADAPTER FAILS, THERE IS NO RPM INDICATION TO TACH. PROBLEMS APPARENTLY VIBRATION INDUCED. SOME PROVISION SHOULD BE MADE TO REINFORCE UNIT, OR RELOCATE IT TO AN AREA NOT AS PRONE TO VIBRATION.SDR 20010305CW011Adapter · failed90 DEGREE TACH DRIVE ADAPTER PUT ON AIRCRAFT. WHEN ADAPTER FAILS, THERE IS NO RPM INDICATION TO TACH. PROBLEM APPARENTLY VIBRATION INDUCED. SOME PROVISION SHOULD BE MADE TO REINFORCE UNIT OR RELOCATE IT TO AN AREA NOT AS PRONE TO VIBRATIONS.SDR R7MR32595Indicator · inoperativeUNIT INOPERATIVE. NO INDICATION WHILE ENGINE IS RUNNING. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR R7MR33319Pickup · inoperativeELECTROMAGNETIC SPEED PICKUP, NGP SPEED, UNIT INOPERATIVE. N1 READINGS FLUCUATE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR TI1R001384Indicator · faultyINDICATOR NG - GAUGE STICKS, WILL JUMP FROM 0 TO 40 PERCENT WITH POWER ON AND ENGINE NOT RUNNING. REMOVED AND REPLACED.SDR 20010122CW008Connector · damagedWAS ERATIC, FOUND LOOSE PIN AT CONNECTOR PLUG.SDR 20010122CW007Bearing · failedAPPEARS TO BE A BEARING FAILURE.SDR R7MR32627Indicator · inoperativeUNIT INOPERATIVE. DIGITIAL TEST BUTTON INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEMSDR 20001120SH053Tachometer · inoperativeTACHOMETER BOX INOPERABLE. BLEED VALVE WILL NOT CLOSE. (X)SDR MALA000655Indicator · fluctuatesWHEN CLIMBING RPM WAS SELECTED AFTER TAKEOFF, THE LT ENGINE RPM FLUCTUATED 180 - 200 RPM AND LEFT TORQUE FLUCTUATED 3 - 5 PERCENT. ALL OTHER ENGINE OPERATIONS NORMAL. LOCKOUT WAS SELECTED AND ALL FLUCTUATIONS STOPPED. MAINTENANCE CLEANED AND RESECURED PCU SDR R7MR33322Pickup · inoperativeELECTROMAGNETIC SPEED PICKUP, NGP SPEED, UNIT INOPERATIVE. ERRATIC NEEDLE MOVEMENT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR TI1R001406Indicator · malfunctionedTRIPLE RPM INDICATOR, NR 2 ENGINE INDICATION 2 PERCENT HIGH AND NEEDLE ALSO BOUNCING. REMOVED AND REPLACED.SDR CZMA082760Indicator · failedINDICATOR OPERATED FOR 2.5 HRS. THEN NR 2 ENGINE N2 INDICATION FAILED. UNIT WAS INSTALLED IN PILOTS POSITION. REPLACED UNIT.SDR R7MR33324Pickup · inoperativeUNIT INOPERATIVE. ERRATIC NEEDLE ON N GAUGE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR SWIA971978Harness · chafedLEFT NH GAUGE BOTH ANALOG AND DIGITAL INOP DURING FLIGHT. ANALOG NEEDLE JUMPING BETWEEN 10 - 70 PERCENT AND DIGITAL JUMPING 90 - 150 PERCENT NH. DIVERTED TO PDX FROM RDM. REMOVED AND REPLACED LEFT NH GAUGE IAW 77-11-00. ALSO PERFORMED RESISTANCE CHECK OF W
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